Planoaraph co



'I'. W. SMALL.

DISPLAY AIIAHATUS. APPLICATION FILED MAY 26, 1915.

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T. W. SMALL.

DISPLAY APPARATUS.

APPLIcATmN msu MAY 26, 1915.

Patented July `1, 1919.

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Patented my 1, 1919.

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T. W. SMALL.

DISPLAY APPAHAUS.

APPLICATION FILED -MAY' 26..I9I5.

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T. W. SMALL.

DISPLAY APPARATUS.

APPLICATmN FILED ram/26.1915.

1,308,200. Patented July 1, 1919.I

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THB COLUMBIA PLANOURAPM Q0., wAsmNu'mN, D. C.

T. W. SMALL.

DISPLAY APPARATUS. APLlcAnoN FILED MAY 26.1915.

Patented July 1, 1919.

8 SHEETS-SHEET 6.

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DISPLAY APPARATUS.

APPucATmN man MA1/20,1915.

Patented July 1, 1919. '8 SHEETS-SHEET 7.

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DISPLAY APPARATUS.

-APPLlcATmN FILED MAY 26; |915.

Patented July 1, 1919.

THB COLUMBIA PLANouRAPH co., WASHINGTON. DY C.

THOMAS W. SMALL, 0F CLEVELAND, OI-II.y

DISPLAY APPARATUS.

Specification of Letters Patent.

Patented July 1, 1919.

Application filed May 26, 1915. Serial No. 30,484.

To all whom t may concern:

Be it known that I, THOMAS W. SMALL, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented a certain new and useful Improvement in Display Apparatus, of which the following is a full, clear, and exact description, reference beinghad to the accompanying drawings.

This invention relates to a mechanism sometimes called display apparatus, where by a fabric sheet or strip may be moved intermittently past an opening so as to eX- hibit signs, advertisements, directions, ortho like.` VSome mechanisms of this nature are called station indicators, or street indicators and are used fortrolley cars and other vehicles to exhibit the naines of the streets or stations, sometimes in connection with the advertisementsof merchants located at or near those streets or stations; other devices ot similar nature are employed for `show window advertising to display matter dcscribing or landing merchandise to be found therein, or to be set up in a public place and to advertise large numbers otdiilierent merchants. ln the former case the movement of the strip or sheet is ordinarily controlled by fixed contacts adapted tocontactwith the. vehicle or some projecting part ofthe same to cause a shifting of the name strip; in the latter case some form of chronometric device is employed for regulating the time during which the strip Shall remain stationary, "and it is to this latteiclass of devices "that the present improvements particularly relate, although it will be obvious that many of the features of construction and operation hereinafter described could equally well be employed with the other form of device.

Generally speaking the objects of the pres ent invention are the provision of la device of this character which shall bewholly automatic and reliable in its operation; in which the various signs or exhibits shall be accurately registered with the view opening: in which the reversing" of the movement of the strip shall take place with certainty and exactness at the end oit each rungin which a minimum of power lossis developed; and in which the operating parts shall be reasonably simple and compact;` while further objects and advantages relate to features of constructioniand will be made clear as the description proceeds.

)ne embodiment of my present invention is illustrated in the drawings accompanying this application wherein: Figure l represents a right hand elevation of a complete machine constructed in accordance with my invention; Fig. 2 is a front elevation of the same end of the machine, a portion of the .web or name strip being broken away; Fig.A 3 is a vertical broken line 3-3 of Fig. 2 and looking in the direction of the arrows; Fig. is a sectional view taken upon the line fl-l of Fig. 3 and looking in the direction of the arrows; Fig. 5 is a similar View taken upon the line 5-5 of Fig. 3 and looking in the direction of the arrows; 6 is a cross Sectional view of the machine taken upon the line 6-6 of Fig. 2 and looking' in the direction of the arrows; Fig. 7 is a perspective view of a portion of the niotorcontrolling mechanism illustrating its position during the time that the motor is running and the chronometric mechanism is at rest; Fig. A8 is a view similar to Fig. 7 but showing the position ofthe parts when the chronometric devices are operating and the motor is at rest; Fig. 9 is a perspective view of the controlling wheel of the chronometer; Fig. 10 is a diagrammatic view of a portieri` of the sheet or name strip, showing its conducting members in combination with the various lingers which contact the same; and Fig. 11 is a diagrammatic view of the various electrical connections employed in the present embodiment.

Describing the parts by reference characters. 1 and Qrepresent..4 respectively, a pair of spaced vertical end plates, suitably secured together by horizontal rods 3 3, and Surrounded by a casing 4, formed at one side with a suitable window 5 Jfor the exhibition of the strip 10. This casing may take any suitable or convenient forni within the scope of my invention, particular mention being made thercoi in this case solely for purposes of clearness. Journaled in the plates 1 and Q are a pair of parallel shafts 6, 7 carrying cylindrical drums 8 and 9, respectively, on which are wound the opposite ends of the flexible web or name strip 10. Suitable sectional view taken upon the sov idler rollers are also provided, such as those shownat 11 and 12, for carrying the strip past the sightgop-ening or window, andother idler rollers 13 and 14 are also shown herein arranged to draw the strip away from the drums, and to stretch it smoothlysofV that the Contact members carried thereby may be eX- posed to the action of the contactfmgers carried by the frame and by means of which the movement of i the strip is controlled. Suitable brake shoes 15-'15 vare-provided which act upon the drums 8, 9 to retard their movements and retain ithe' strip in Itaut rendition, these brakeVV shoes being operated in any suitable manner as by the spring v16.

n VAccording to the construction employed inthe present machine, the drums are entirelyffree fromeach other excepting/as connected through the strip 10, suitable means being employed for driving ythese drums in- I dependently so as to wind the' strip onto the driven drum, meanwhile unwinding it from the opposite drum. Furthermore-the brake shoes 15-15- are so supported and arranged as to tendfto release the driven' drunrand to I' press more tightly upon they following drum so as to maintain the strip in'tension without placing unnecessary strain upon the driving devices. For effecting this'drivin'g,

the shaft 6 kis provided with afgear'wheel`120 meshing' with'a pinion 21 carried'by a shaft 22 journaled irrthepl'atey 1' and having outsideiof this plate a 'secondpinion 23. The 'outer end of the`shaft'7 is 'journaled in a plate 24 spaced from but-parallel tothe plate'1','and inside of the=plate 24 the shaft is provided with'-agear-25. Journaled in thewplates 1 and 24 isfal driving shaft26,

upon the yends'o'f which are Ylooselysleeved the'pinions 27 and-28, respectively, thef'fortmer meshing with the `pinion 23i-andthe latter with the gear 25. jSlidably'but-nonrotatably mounted 'upon this drive shft,^as by means of the spline lshown iirFig. -3,is'a clutch spool'29, having itsends formedwith suitable clutch members 3G-"30 adapted to engage similar 'clutch lmembers carried' by the adjacent faces `of the pinions 27 and 2S, respectively, whereby either kone lmay "be caused to rotate simultaneouslyy 'with the shaft 26. Thisv clutch spool is also'formed Iwith the eXterior groove 31 receiving'L the shifting bar 32, whereby Vthesam'eis operated Ain a manner which will hereafter be explained. 'Outside of the'plate' 24,'the shaft 26 is providedwitlrthe'driving fgear 33 and winding pinion 34.

Journaled in the plates 1 vand 24 kis a power shaft`36,having on its outer' end a pinion 37meshing with the driving gear 33. Between these plates theshaft 36 is provided'wi'th'aworm gear 38 loosely' sleeved thereoniand meshing withthewvorm 39carriedfby' the'shaft"40"`o'f a motor 41,fhere of the chronometer train. '59 carried by the plate 24 prevents unwindshown as secured to the plate 1. Slidably but non-rotatably splined upon the shaft 3G Abetween the gear 38 and the plate 1 is a clutch spool 42, the end of said spool and the adjacent face of the worm gear being vformed with suitable interengaging -teeth as f fixed to the horizontal reciprocable bai' 4G.

The motor 41 being not easily reversible in direction, it is necessary to reverse the movement of the drums mechanically, which is 7done by the clutch spool 29. Also, since a -motorarmature will ordinarily revolve for a time-after the interruption of the current, it is'diificult or impossible to bring the mech- `anism operated thereby to a given point while connected to the motor. The employment of the clutch 42 permits the disconnection of thek power when the name strip has'been brought to the proper location, the motor ybeing thereafter allowed to slow down and stop without load, although it is preferable for purposes of economy that the ener- V gizing current be cut off soon after this unclutchin'g, which operation iseifected by means which will hereafter be described.

AFor determining the length of time duringwhich the lname strip shall remain sitationary I have illustrated herein a simple chronometer consisting of a gear train illustra'ted` generally'at 50, 50", 50C, contained in a: suitable case 51 carried by the plate 1, and ending ilra vane or fan 52. This gear train is driven by the pinion 53 meshing with the time 'wheel 54, loosely sleeved on the winding shaft 55, and receiving power therefrom by'means of aspiral spring 5G inelosed in the spring case `'lwhieh rotates with the wheel. The'shaft 55 projects through the plate 24 and carries at its outer end the gear wheel 5S'whiclrmeshes with the pinion 3lheretofore mentioned, and by means of which power is diverted from the motor for vthe rewinding of the spring and the driving A suitable paw] ing of the spring. While the name strip is standingstill there is of course no nefessity for operating the motor, wherefore the operating 'circuit' isv :preferably opened during` this period in interest'of economy, but during this period the clock mechanism is neeessarily ruiming; and conversely, lwhile the motor is operating to advance the main `strip lthere is no necessity for the operation of the ehronometer mechanism, whereforc'l have provided means governed by the ehronometer mechanism for unclutching the` motor and breaking its circuit upon the arrival of the name strip at astation. Accordingly the chronometer is Iarranged, upon the hrrival of the main strip at adesignated station, to unclutch the motor and open the motor circuit, and also to reclutch the motor and restore the motor circuit prior to and preferably coincidentally with its stopping. The motor on the other hand, in t-he present embodiment through the medium of the name strip itself, serves to effect such con* tacts as are necessary to restore the various parts to the positions necessary to a re newal of the series. For this training, the time wheel 54 carries a radial projection or linger 60, arranged to effect the reclutching operation, and also a lateral projection or linger 61, which simultaneously restarts the motor and stops the chronometer.

Located between the plates 1 and 24 is a support on which are independently pivoted three separate arms, 66, 67, and 68.'

The arm 66 is preferably of fiber or like material, and is normally held in a depressed position by means of a spring 69. Its length is such as to cause it to project to a point adjacent to the time wheel 54 as shown in Figs. 3 and 9 and to extend into the path of movement of the finger 61. Adjacent to its free end, this arm 66 carries an upwardly facing contact plate 72, connected by a suitable lead 73 with one of the main terminals 74. For coperation with this contact plate l have provided the movable' feather 75, whose lower end is secured to an insulating block 76 pivoted at 77 to a bracket 78, and having at its upper end a metallic shoe 79 adapted to overhang and make Contact with the plate 72. This feather is placed in electrical connection with one pole of the motor by means of the connection plate 80 and cable 81, the other pole of the motor beingconnected by the cable 82 to the second pole 83 of the main terminal. Reference to Figs. 7 and 8 will show that the feather 75 projects closely past the end of the clutch spool 42. in such wise that the shifting of this spool to unclutching position will also shift the shoe 79 out of engagement with the plate 72, thereby breaking the motor circuit and stopping the motor. Also it will be seen that the effect ofthe time wheel and finger 61 is normally to maintain the plate 72 in snug contact with the shoe 79, and also to restrain the movement of the clock train, but that upon the unclutching movement of the spool 42 the arm 66 may be freely lifted by this finger, thus permitting the operation of the chronometer mechanism. y, y

The second arm 67, is merely a latch, be ing provided with a laterally projecting branch 85 terminating in a depending catch 86 normally resting upon the rod 46, and adapted upon the retraction of that rod to engage in a notch 87 formed `therein so as to holdthat rod and the clutch spool 42 in of metallic fingers 91 and 92 above and below, respectively, and arranged to make alternate contact with a metallic stud 93 carried by a fixed insulating block 94, the arrangement here shown being such that when the arm 68 is elevated, contact is made at 91, 93, and when said arm is depressed contact is made at 92, 93. Reference to Fig. 11 will show that the stud 93 communicates by way of the lead 95 with the motor cable 81.

Pivoted beneath the end of the arm 68 upon an axis 96 substantially parallel to the axis 77 is an upright prop 97 y whose upper end is adapted to support the arm 68 as shown in Fig. 7. The feather 75 and prop 97 are provided with independent springs 98 and 99, respectively, whereby they are normally held forward, and a suitable connection 100 is provided between the two members whereby one can be operated from the other, a certain amount of lost motion being provided as by the slot 101 for a purpose to be hereafter described. Any suitable means, such as the shoulder 102 may be provided for limiting the downward movement of the arm 68, while the vertical armature 103 of a solenoid 104 secured immediately thereabove serves for the raising of the same.

The rod 46, heretofore mentioned, also forms or is connected to the armature of a horizontal solenoid 105 suitably carried by the frame of the machine as by being aflixed to the inner face of the plate 1, and this rod 46 isnormally held in outward position by means of a suitable spiral spring 105a (see F ig. 2).

For `operating the reversing clutch 29 l have provided a pair of vertical solenoids 106 and 107, respectively, secured to the outer face of the plate 1 above the shaft '26 and having depending` armatures 108 and 109, respectively. Secured to the outer face of the plate 1 below and between the solenoids 106 'and 107 is a bracket 1.10 which carries the studs 111, 112 and 113. Pivoted upon the two former studs are the arms 114- and 115, respectively, whose free ends are connected by links 116 and 117, respectively, with the armatures 108 and 109, respectively. Pivoted to the stud 113 is the arm 118 whose lower end carries the bar 32 heretofore described. ln addition, the arms 114 and 115 are provided with depending the'roller 13 (Fig. 6).

branches v119 and 120, respectively, arranged to 'Contact suitable projections carried by the arm 118 so as to swing the same from one side to the other upon the energiza- 'tion of the appropriate solenoid. I have furtherV shownafhump spring 121 as pro- 'jecting into the path 0f movement of the A'bar 32 so that, upon'the'movement of that bar pastv the center under the infiuence of the solenoid, the clutch spool'may4 'be thrown positively toward the end of its Vmovement rand its rebounding'and chattering entirely prevented.

For stopping the `movement of the name strip so as to cause an indication thereon to remain in registration with the window, and 'also for operating the reversing mechanism *at the end ofeach strip, II p rovide'flexible conductingdevices carried by the strip itself' and adapted to make contact with fixed fingers carried-by the frame in much the' same manner as described land claimed in vmy former application filed January :9, 1915, Serial No. 741,131. For this purpose I have shown the vframe as provided with asuitable supporting'rod 125l having pivoted thereon a'plurality of independent insulated spring fingers, here shown as six in number, land yindicated at 126231261, 126C, 1aed, 12oz-12er The free ends of'these fingersare provided with suitable contact means,-such as the rollers' 127, arranged to run'along over the strip and Contact the conductors carried thereby, the place of contact preferablybewithout variation from my invention.

'It will also be obviousthatmany changes in the wiring and electrical connection of the members couldbe employed'within the 'scope Vof my invention, although the one which I prefer and Vwhich I have illustrated here fisfas follows, particular reference being had to Fign11: Fingers 126b'and 126e lare merely return fingers, and are connected in parallel by means of the lead 135 with one pole of the motor, such as that at 82. The stopping contacts 130 arearranged to bridge lthe fingers 126a and 126b,1and the 'finger 126a is connected `by means of the lead 136 with `the solenoid 105. The reversing contact 132 :atone end Iis arranged to 'bridge the fingers 126b and 126C, theflatter 'being' connected by means of the lead 137 with the solenoid 107. The reversing contact at the opposite end -of the yweb is arranged to bridge the fingers 126d and 126, the formerI of these being connected by means of the lead 138 with the reversing solenoid 106. The resetting contacts 131 are arranged to bridge the fingers 126Bfand 1262 the latter being connected by means of the lead 139 with the resetting solenoid 104. The opposite side of the solenoidv105, 106 and 107 are connected to thel finger 91, while the rear side of the solenoid 104 is connected to the finger 92.

The operation of the mechanism is as fol lows, lbeginning with the various parts in the position illustrated in-Figs. 2, 3, 4, 5 and 7 It will first be noted that the chronometer train is at rest owing to the engagement of the -finger 61 with the arm 66, but the motor 41 is in operation owing to the contact 72,

79, which' this finger effects. The clutch spool 42 being in engagement with the worm gear 3S, motion is transmitted from the motor spindle to the shaft 36, pinion 37, and gear 33 to the shaft 26. The clutch spool 29 lbeing also at the outer limit of its movement, the `Amotion of the shaft 26 is communicated to the pinion 2S and gear 25 which rotates the shaft 7 and drum 9, thereby operating that drum in the direction. shown by the arrow in Ffig. 6. The arm 68 is meanwhile supported upon the top of the prop 97 as shown in Fig. 7, and the finger 91 is in contact. with the post 93. Upon the arrival of one of the stopping contacts at the roller 13, (such as that 130A) an impulse passes from the terminal 32 through the wire 135 and finger 126by to the finger 126Il and thence by way of the lead 136 to the solenoid 105, returning from the solenoid via finger 91, post 93 and lead 95. The enlergization of this solenoid shifts ythe rod 46 and unclutches the spool 42, the latch 86 thereupon engaging the notch S7 so as to Ihold this spool against return movement. At the same time the movement of the spool shifts the feather 75 to one side so as to break Contact at 72, 79, thus deenergizing the motor, while the pull upon the connection 100 draws the prop 97 from beneath .the arm 68 which thereupon falls together with the armature 103 so as to break contact at the point 91, 93 and establish contact at the point 92, 93. This, therefore, cutsout the solenoid 105 and prevents waste of current therethrough, sufiioient looseness of play being afforded between the latch 86 and notch 87 to insure that the latch will be properly caught lbefore the arm 68 shall drop. During the rotation of the gear 33, the pinion 34 has beeni rotating the shaft 55 through the agency of the winding gear 58, thereby storing energy inthe spring 56, which, immediately vupon the removal of the shoe 7 9,

.causes the rotation of the time gear 54, the

arm 66 rising freely to permit this movethe end of the arm 67 and raises the same t fg-1f; its original positron, thereupon freeing the armature 46 which now retakes` its initial position under the influence of the spring iota, This also permits the return of the feather 75 to its initial position under `the influence of its spring 98, the arm 66 having meanwhile dropped to a lower point (af-ter its disengagement by the finger 61) so that contact is not now. made through the motor.` The continued rotation of the time gear 54, however', brings the finger 61 into contact with the arm 66 which is thereupon raised until the circuit is again closed at the point 72, 7 9 whereupon the chronometer train stops and the motor starts.` However the mechanism has not yet returned entirely to its initial position from the factthat it` is the finger 92 which now contacts with the stud 93 instead of the finger 91, and this is a necessary condition from the fact that all of the time the clock mechanism has been in motion, the stopping contact 130'rl has remained in contact with the lingers 1-26f--126b so that if the contact 91, 93 were still established the only result would be to reenergize the solenoid 105 and repeat the operation of the chroiiometer train. However the lost motion at 101 has permitted the feather 75 to return to original position but without affecting the prop 97 so that a forward movement lof the web is `again initiated which promptly moves the contact 130al away from the fingers and causes the contact 131a to approach thereto whereupon a circuit is established between 126e and 126f. The effect of this is to energize solenoid 104 (via 139, 92, 93, 95) which restores the arm 68 to initial position and restores the contact at 91, 93 breaking the contact at 92, 93. The mechanism has new entirely reassumed its initial condition, so that upon the arrival at the roller 13 of the next succeeding stopping Contact, such as 130, the same cycle of events is repeated, and in the same order, and is repeated again andagain until the end of the web is reached.

The advancing movement of the main striplinally brings up the reversing contact 133 which bridges the lingers 126d and 126e, and thus establishes a circuit through the solenoid 106, the circuit being 82, 135, 126e, i991, iss, ice, 9i, 9s, 95, si, so, 75, 79, 72, 73. The attraction of the armature 108 rocks the lever 114 and throws the arm 118to the opposite limit of its movement, disconnecting the clutch` spool 29 from the pinion 18 and throwing it into engagement with the pinion 27. Thereafter the movement of theshaft 26 is conveyed by way of the pinion 23, 21, and gear 20 to the drum 8 whereby the name strip is prepared to advance inthe opposite 60 engages bearing with it the clutch spool 42.`

direction. At the same time it is desirable hat the name strip should be halted for a period before its return movement, since otherwise the last indication exhibited would be exposed for two successive periods practically without intermission. Theoretically it might be practical to employ at the same time with the reversing strip 133 a connecting strip 130, since there is nothing fundamentally to prevent the actuation of the solenoids 106 and 105 simultaneously by means of their respective fingers. However, there is a practical disadvantage that if one of these contact members should establish circuit a fractional part of a second before the other, the forward movement of the main strip would be arrested instantly so that the second would never come into contact at all. Accordingly, for the purpose of producing both actions through a single Contact, l have provided above the reversing solenoids 106 and 107 a contact device comprising an insulated base 145, carrying `a pair of flexible contact fingeis146 and 147, one of which intersects the path of movement of each of the armatures 108 and 109,

`the upper ends of' those armatures being `are both connected to the lead`1'36. Thus upon the energizing of the solenoid 106 as already explained, the upward movement of the armature 108 will establish contact between the finger 146 and the stud 149, thereby creating an impulse through the solenoid 105by way of' the path, 82, 150', 149, 146, 136, 105, 91, 93, 95, 81, 80, 75, 79, 72 and 73. This throws the clutch spool 42 out of engagement with the worm gear as heretofore explained and arrests the further movement ofthemain strip, `although the reversal of driving connection has been accomplished so that upon the conclusion of the interval deiined by the chronometer train, thesame operation continues, the members 130 still acting as stopping contacts, and the members 31 as resetting contacts. It is obvious that the constructions," arrangements, and design of mechanical parts and apparatus whereby the above functions may be carried out within the scope of my inventive idea are of great variety so that it .would be hopeless to attempt te illustrate or suggest the modifications which could be i made. l/Vhile I have described my invention -means for propelling the same, of contact members actuated by the movement of the strip to close an electrical circuit, means in said circuit for arresting the operation of said propelling means, means operating sub- 10` sequently to such arresting for breaking said circuit, means outside of said circuit for repeating the operation of' said propelling means, and means for restoring said circuit prior to the neXt actuation of said contact members.

2. In a device of the character described, the combination with a movable strip and means for propelling the same, of an electrical circuit, a plurality-of spaced contact devices car-riedby said strip and adapted to complete said circuit upon arrival at a given point, current operated means included in said circuit and adapted to arrest the operation of said propelling means, a circuit breaking device in said circuit and operatively connected to said current operated means so as to be actuated after the arrest of said propelling means, means outside ofy saidV circuit for repeating the operating. of said propelling means, and mechanism operative after the starting of said strip and prior to the-succeeding actuation of said contact devices for' restoring said circuit breaker.y

. 3. In a device ofthe character described, the combination with a movable strip and means -for propellii'ig the same, of an electrical circuit, aplurality of spaced lcontactV devices carried by said strip and adapted to complete said circuit upon arrival at a given point, current operated means included in said circuit and adapted to arrest the operation of said propelling means, a circuit b reakingdevice in said circuit and operatively connected to said current operated means so as to be actuated after the arrest of said propelling means, means outside of said circuit for repeating the operation of said propelling means, additional contact devices carried by Vsaid strip intermediate'said first devices, a restoring` circuit containing said last devices, and means included in said restoring circuit :tor closing said circuit breaking device.

4. In a device of the character described, the combination with a movable strip and means for propelling the same, of an electrical circuit having branches, a switching device controlling said branches, current operated means included in one of said branches and adapted to arrest the oper'- ationxotl said propelling means, current operated means included in the other of said branches, both of said current operated means being connected to said switching device in such a way as to disconnect itself and throw the other branch into circuit, and contact means carried by said strip and adapted to close the circuit through said branches alternately.

5. In a device of the character described, the combination with a movable strip and means for propelling the same, of a switching device having two poles, a current actuated device in circuit with one pole and adapted when actuated to disconnect said propelling means, a lost motion connection between said current actuated device and said switching device adapted when actuated to permit the connection of the other of said-poles in circuit, a current actuated device in circuit with said other pole and adapted when actuated to throw said `first pole back into ciicuit, contact means operated by said strip to close the circuit alternately through said current actuated devices.

6. In a device ot' the character described, the combination, with a movable strip, of an electric motor, means for driving said strip from said motor, said means including a clutch, means for throwing'sai d clutch to inoperative position to stop said strip, and means operative by the disconnecting moveinentoit said clutch for openingthe circuit through said motor.

7. In a: device of the character described, the combination, with a movable strip, of an electric motor, means for driving said strip from said ymotor, said means including a clutch, a current-operated device for disengaging said clutch, spaced means carried by said ystrip 'tor closing an electric circuit through said device, and means operative during the last part of'such clutch disengagement for opening the circuit through said motor.

S. In a device of the character, described, the combination with a movable strip and means for propelling .the same, of contact members actuated by the movement of said strip to close an electrical circuit, means for discontinuing` power to said .strip propelling .means when said strip reaches a definiti` point, means for timing the duration of' discontinuance, means for diverting power to said timing mechanism, and means for stopping said timing mechanism and restarting said strip moving means.

9. In a device of the kind described, the combination of a' movable strip and means for movingl the same, of contact members actuated by the movement of said strip to close an electrical circuit to arrest the movement of the strip, mechanical means for timing the rest period of said strip said means becoming operative upon the breaking ot said circuit and adapted to restablish said circuit as said mechanical timing means concludes its cycle of operations.

10. In a device of the kind described, tho

combination of amovable strip and motor forl moving the same, of contact members actuated by the movement of' said strip to close an electrical circuit, and a clock mechanism 'and means governed by the movement of' the strip for unclutching the motor and breaking the circuit upon the arrival of the strip at a definite point and means for reclutching said motor and restoring its circuit coincidentally vvith the stoppage of said clock mechanism.

11. In a device ot the kind described, the

combination With a movable strip having contacts thereon, and a motor for moving said strip, of contact members forming a part of an electrical circuit in Which said motor is located and adapted to arrest the movement of said strip, mechanical means for transmitting motion from said motor to said strip, a clock` mechanism for timing the rest periods of said strip, and electrical means for cutting out the motor and setting the clock mechanism into operation, said clock mechanism at the conclusion of its movement restablishing the motorcircuit and restarting said motor.

12. In a device of the kind described, the combination vvith a strip and means `for moving same, of contacts and switches forming a part of an electrical circuit controlling the strip moving means through the medium of a timing mechanism and motor, contacts upon said strip adapted to engage said first mentioned contacts, said strip contacts being arranged in differently spaced rows, one rovv being adapted to control the stopping of said strip moving means and the other rovv being adapted to aect a resetting of the strip mo-ving means through the medium of the timing mechanism.

13. In a device of the kind described, the combination with a strip and means for moving the same, of a series of' stop contacts upon said strip, a series of reset contacts upon said strip and alternating With said stop contacts, and contact fingers coperating With said contacts and forming part of an electrical circuit controlling the strip moving means as set forth.

14.` In a device of the kind described, a display strip and means for moving the same, of a series of stop contacts upon said strip, a series of reset contacts upon said strip and alternating with said stop contacts, and reverse contacts at opposite ends of said series, and contact ngers coperating With said contacts and forming parts of an electrical circuit controlling the strip moving means as set forth.

15. In a device of the kind described, the combination of a strip having contacts, of fingers contacting- With said contacts, said fingers constituting parts of electrical circuits having a common source, a motor 1n said circuits, means operated from said motor for moving said strip, a timing mechanism, means controlled by said contacts for simultaneously cutting off' the motor and starting the timing mechanism, and means controlled by the timing mechanism for restarting the motor.

16. In a device of the kind described, the combination with a strip having contacts, of fingers contacting with said contacts, said fingers constituting said parts of the electrical circuits having a common source, a motor in said circuits, means operative from said motor for moving said strip, and a timing mechanism adapted to be set in motion When said motor is cut ofi', said timing mechanism cutting in said motor at the completion of its cycle of operation.

17. In a device of the kind described, the

combination with a strip having a plurality of contacts, of fingers adapted to engage said contacts, said lingers constituting parts of electrical circuits, a motor in said circuits, means operative from said motor for moving said strip, and a timing mechanism, said timing mechanism -being released and made operative when one of the circuits is closed, the closing of said circuit and release of said timing mechanism being simultaneous with the cutting out of the motor for a predetermined time.

18. In a device of the kind described, the combination with a strip having a plurality of contacts, of fingers adapted to engage said contacts, said fingers constituting parts of electrical circuits, `a motor in said circuits, means operative from said motor for moving said strip, and a timing mechanism, said timing mechanism being released and made operative when one of the circuits is closed, the closing of said circuit and the release of said timing mechanism being simultaneous With the cutting out of the motor for a predetermined time together With means for stopping said timing mechanism and simultaneously cutting into said motor.

19. In a device of the kind described, the combination with a display strip having contacts thereon, of contact members adapted to engage contacts upon said strip and arrest the motion of said strip, means for moving said strip in either direction, a motor adapted to move in one direction and transmit motion to the strip moving means, and a timing mechanism for controlling the periods of rest of said strip and for stopping and starting the motor, said timing mechanism being controlled by the contacts carried by the strip. I

20. In a device of the kind described, the combination with a display strip carrying a plurality of contacts, of means for moving said strip in either direction, a motor adapted to move in one direction and transmit power to the strip moving means, a tim4 ing mechanism under the control of the strip contactsthrough the medium of electrically operated fmeans, said timing mechanism being.- adapted.- to regulate the periodsof` rest of the stripy also the stopping and starting l; of the motor. together with electrically op.-

erated means for reversing the strip moving mechanism at the completioniof the line ofv movement inI eitherv direction.

21. In adevice of. thecharacter described,

Athe combination of a movable strip and meansfor propelling. the` same, a1 series of.

contacts carried -by said strip, said contacts being arranged in rows, one row being adapted to control the stopping 4of the strip operating mechanism, the other rowbeing adapted to controly the resetting vof the operating mechanism, contacts at opposite ends of' said rows for. reversing the direction of the strip moving means, said strip reversing ftion of the ystrip `moving means upon the reversal of said means..

22. In a device-of the kind described, thc combination of display strip having contacts thereon, contactmembers.adapted to engage said contacts, means for moving said strip in either direction, a motor adapted to move in one direction and transmit power to the strip moving means, a timing mechanism adapted to. regulate the periodsof rest lof the strip, electrically operated means for stopping the strip and starting said timing mechanism and simultaneously cuttingl the motor out, said means including a solenoid' and a double switch in circuit with said contactstogether with electrically operated `means for reversing the strip moving means, said electrically operated means including a pair of solcnoids, and afourth solenoid adapted to operate said switch.

In testimony whereof, I hereunto aiix my signature`v in the presence of two witnesses.

THOMAS W. SMALL.

Witnesses:

HUGH B. MCGILL, H. J. SMALL.

Copies of this patent may be obtainedlon five cents each,by addressingrthe ,Commissioner of Patents,

Y Y Washington, D.,.C.. 

